code: def test_array_lmb_neg(self, xp, scp, dtype):
      data = xp.array([198.0, 233.0, 233.0, 392.0])
      lmb = -45
      return scp.stats.boxcox_llf(lmb, data)
  
file_path: cupy/tests/cupyx_tests/scipy_tests/stats_tests/test_morestats.py
imports: import numpy
  import cupy
  from cupy import testing
  import cupyx
  import cupyx.scipy.stats
label_desc: Use image node_id 7 for calling the TestBoxcox_llf obj's underlying member method code with example usage: obj.test_array_lmb_neg(xp, scp, dtype) and returns: scp